s=input()
s1=''

for char in s :
    if char =='(':
        s1=s1+char


    if char ==')':
        if len(s1) >0:
            if s1[len(s1)-1] == '(':
                s1 = s1[:-1]
                
for char in s :
    if char =='[':
        s1=s1+char


    if char ==']':
        if len(s1) >0:
            if s1[len(s1)-1] == '[':
                s1 = s1[:-1]

for char in s :
    if char =='{':
        s1=s1+char


    if char =='}':
        if len(s1) >0:
            if s1[len(s1)-1] == '{':
                s1 = s1[:-1]

for char in s :
    if char =='<':
        s1=s1+char


    if char =='>':
        if len(s1) >0:
            if s1[len(s1)-1] == '<':
                s1 = s1[:-1]

print (s1)

if len(s1)==0:
    print ('Истна')
else:
    print ('Ложь')
    
